Apparently, this stuff is hard to find. I've tried Andy, and the local Airstream dealer.... the blue stuff is all over like dog dookie, but the red is "no gots!"
You might want to try a Auto Body Supply shop. Typically they can get something quite similiar to what you are looking for. They will have no clue about Airstreams but if you either bring in a sample and/or dimensions - then they may be able to find a suitable alternative for you.
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